| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1040.03 | USD | 20250928 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1187.6 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1328.14 | USD | 20250928 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1335.17 | USD | 20250928 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1208.68 | USD | 20250928 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1215.71 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1293.01 | USD | 20250928 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1208.68 | USD | 20250928 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1349.22 | USD | 20250928 |